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My lights still dim even with a second battery.


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I have a 2004 Infiniti M45 if it still dimming im assuming i need a better car battery or a H/O alternator the amp sucks alot of power and when it does my car revs really funny and doesn't rides smooth any advice? XS Power or Optima and/or H/O Alternator? i have a budget......

Product List Installed:

Stock Head Unit Converter

Capacitor

Dry Cell Battery

2G Amp Wiring Kit

Rockford Fosgate T1000.1BD Amp

Rockford Fosgate 2 12 P3 Subwoofers with dual ported box.

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you need better wiring. big 3 in 0 gauge OFC!! make sure your engine grounds are good!!

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Do your big 3. Watch a few videos to see it done different ways, some are better than others. Do it in 0ga. Basically, what ^ he said. Doesn't sound like your electrical is strong enough to carry a cap either.

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buy 1/0 AWG wire by the foot with ring terminals, and cut a length for

a. alt+ to batt+

b. Batt- to engine bolt, like an alternator mounting bolt

c. batt- to frame, strut tower is easier for some people to get to

solder the ring terminals on the end of the wire and bolt them down.

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Sorry, but i'm a noob :/ explain to me what engine grounds is and what u mean by 0 gauge wiring? for amp kit or for battery to alternator?

You have to be willing to do lots of research. Run 0ga wherever you can, but definitely for your big 3. Your battery should be grounded to the frame and to the engine. Also run 0ga from alternator positive to battery positive. I recommend fusing this wire but not everyone will, it's just an extra safety measure.

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again, get rid of the cap, and I suggest you pic up a volt meter so you can see how far you drop. If you need a really cheap one, I've had good luck with this one http://www.sonicelectronix.com/item_38984_Xscorpion-DVM3RB.html

the refresh rate is fast but it's better than nothing and pretty accurate for the cost.

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